Results 61 to 70 of about 40,625 (235)
Unique Temporal Expression of Triplicated Long-Wavelength Opsins in Developing Butterfly Eyes
Frontiers in Neural Circuits, 2017 Following gene duplication events, the expression patterns of the resulting gene copies can often diverge both spatially and temporally. Here we report on gene duplicates that are expressed in distinct but overlapping patterns, and which exhibit ...
Kentaro Arikawa +3 more
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Evolution of opsins and phototransduction [PDF]
Philosophical Transactions of the Royal Society B: Biological Sciences, 2009 Opsins are the universal photoreceptor molecules of all visual systems in the animal kingdom. They can change their conformation from a resting state to a signalling state upon light absorption, which activates the G protein, thereby resulting in a signalling cascade that produces physiological responses.
Yoshinori, Shichida, Take, Matsuyama
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EvoDevo, 2023 Background Opsins are the primary proteins responsible for light detection in animals. Cnidarians (jellyfish, sea anemones, corals) have diverse visual systems that have evolved in parallel with bilaterians (squid, flies, fish) for hundreds of millions ...
Kyle J. McCulloch +5 more
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The Na+/Ca2+, K+ exchanger NCKX4 is required for efficient cone-mediated vision [PDF]
, 2017 Calcium (Ca2+) plays an important role in the function and health of neurons. In vertebrate cone photoreceptors, Ca2+ controls photoresponse sensitivity, kinetics, and light adaptation.
Arden +69 more
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Extraocular, rod-like photoreceptors in a flatworm express xenopsin photopigment
eLife, 2019 Animals detect light using opsin photopigments. Xenopsin, a recently classified subtype of opsin, challenges our views on opsin and photoreceptor evolution.
Kate A Rawlinson +14 more
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Variations in photoreceptor throughput to mouse visual cortex and the unique effects on tuning
Scientific Reports, 2021 Visual input to primary visual cortex (V1) depends on highly adaptive filtering in the retina. In turn, isolation of V1 computations requires experimental control of retinal adaptation to infer its spatio-temporal-chromatic output.
I. Rhim, G. Coello-Reyes, I. Nauhaus
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Genome biology, 2005 The photosensitive molecule rhodopsin and its relatives consist of a protein moiety - an opsin - and a non-protein moiety - the chromophore retinal. Opsins, which are G-protein-coupled receptors (GPCRs), are found in animals, and more than a thousand have been identified so far.
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Three-dimensional scanless holographic optogenetics with temporal focusing (3D-SHOT). [PDF]
, 2017 Optical methods capable of manipulating neural activity with cellular resolution and millisecond precision in three dimensions will accelerate the pace of neuroscience research. Existing approaches for targeting individual neurons, however, fall short of
Adesnik, Hillel +5 more
core +2 more sources
Wild-type opsin does not aggregate with a misfolded opsin mutant
Biochimica et Biophysica Acta (BBA) - Biomembranes, 2016 Rhodopsin is the light receptor in photoreceptor cells that plays a central role in phototransduction and photoreceptor cell health. Mutations in rhodopsin are the leading cause of autosomal dominant retinitis pigmentosa (adRP), a retinal degenerative disease. A majority of mutations in rhodopsin cause misfolding and aggregation of the apoprotein opsin.
Megan, Gragg +3 more
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Cells, 2023 The ability to perceive and respond to light stimuli is fundamental not only for spatial vision but also to many other light-mediated interactions with the environment.
Maria Cocurullo +4 more
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